نتایج جستجو برای: dowgonbadan region
تعداد نتایج: 537999 فیلتر نتایج به سال:
background and purpose: more than a third of the world’s population lack access to essential medicines, despite the presence of several international agreements that proclaim health as a human right. corruption, in its many forms, such as bribery and embezzlement, causes several detrimental effects on the health sector and access to medicines including economic, health, and government image and...
estimation and mapping of forest resources are preconditions for management, planning and research. in this study, we applied kriging interpolation of geostatistics for estimation and mapping of forest stock at-tributes in a natural, uneven-aged, unmanaged forest in the caspian region of northern iran. the site of the study has an area of 516 ha and an elevation that ranges from 1100 to 1450 m ...
in this study, the spatial distribution of overwintered adults of sunn pest, eurygaster integriceps puton, was investigated by using dispersion parameters and indices, mathematical distribution, and regression techniques in rainfed wheat fields by sample size of 1 m2 in 2009 and 2010. the dispersion parameters including: mean-variance test and clumping parameter () showed that the overwintered ...
the relationship between trade liberalisation and the environment has been the subject of a growing body of literature in recent years. as can be seen from the differing assessment of instrument types for environmental protection, one of the important factors for the relationship between environmental protection and economic competitiveness are regulatory stringency and efficiency. this concern...
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